Chore(deps): Bump TUnit.Assertions from 0.75.5 to 0.77.3

---
updated-dependencies:
- dependency-name: TUnit.Assertions
  dependency-version: 0.77.3
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

src/CodeOfChaos.Testing.TUnit/CodeOfChaos.Testing.TUnit.csproj

@@ -31,7 +31,7 @@
     <ItemGroup>
         <PackageReference Include="JetBrains.Annotations" Version="2025.2.2" />
         <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="9.0.10" />
-        <PackageReference Include="TUnit.Assertions" Version="0.75.5" />
+        <PackageReference Include="TUnit.Assertions" Version="0.77.3" />
         <PackageReference Include="TUnit.Core" Version="0.75.5" />
     </ItemGroup>